2025 Compare Cities Climate:
Portland, OR vs Costa Mesa, CA

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Highlights
- Costa Mesa has 72.0% less rainy days than Portland.
- Costa Mesa has 90.3% more Sunny Days than Portland.
- On the BestPlaces comfort index, Costa Mesa scores 24.0% better than Portland
 Portland, ORCosta Mesa, CAUnited States
 Rainfall  Unlock1238
 Snowfall3  Unlock28
 Precipitation  Unlock36106
 Sunny144  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low36  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index3  Unlock4.3
 Elevation  Unlock982443
Reviews for Portland    386 Reviews

I lived in Portland for 19 years (I've also lived in Boise, ID, the Bay Area, Austin, TX and now Nampa, ID). It drives me nuts when people try to give a large city a  More

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One of the best cities in America. Food scene is the best in the world. Weather is preferable over places where you have the same weather year round. I enjoy the  More

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I moved from Houston to Portland about a year ago. I remember reading the reviews on here and it making me second guess moving before I did, so I wanted to come back and  More

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Reviews for Costa Mesa    8 Reviews

Over 15 years ago

Costa mesa has awesome shopping but is way too crowded and I have had 3 cars stolen in the past 5 years along with countless break-ins and theft. Expensive. Close to  More

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Over 16 years ago

Costa Mesa has a near perfect climate . . . plenty of sun but rarely over 100 degrees (our house doesn't even have AC). Nestled between Newport Beach and Huntington  More

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We have a good amount of low-income, medium-income, and relatively high-income  More

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